Heirloom Builders Inc
General contractor · San Francisco permit activity
General contractor active in San Francisco construction, tracked from public building-permit filings.
#762
by SF filing activity
among SF general contractors, last 90 days
12
projects tracked
Apr 2025 to Jul 2026
1/16
active weeks
weeks with a filing (last 16)
1 of the 12 Heirloom Builders projects filed new permits in the last 30 days.
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$35K Sunset/Parkside renovation
Filed 20 days ago · Heirloom Builders: GC
Interior kitchen remodel and adding 2 new skylights
GC named
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$100K West of Twin Peaks renovation
Filed 5 months ago · Heirloom Builders: GC
Demolition (e) plaster as required to replace knob & tube wiring, galvanized piping and remodel two bathrooms in-kind
GC named
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$5K Castro/Upper Market renovation
Filed 7 months ago · Heirloom Builders: GC
Recommencement and completion of work approved under &
GC named
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9 more
Heirloom Builders projects with project intelligence
Scopes, values, teams and filing history for every one
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Neighborhood, filing date, scope and declared value are shown here. Exact addresses,
owner and contact details and full filing histories are part of the paid product.
12 project records for Heirloom Builders: addresses, values, project teams
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Middle 50% of declared values: $5K–$70K (median $50K)
Most recent filing: Sunset/Parkside · Jul 17, 2026
1 active · 1 newly observed last 90 days
Filing activity · last 16 weeks
APR
MAY
JUN
JUL
1
active projects (last 90d)
1
newly observed (last 90d)
Jul 2026
peak month
Project mix · by use
Residential100%
Geography · by neighborhood
West of Twin Peaks38%
Bernal Heights25%
Castro/Upper Market13%
Financial District/South Beach12%
Inner Sunset12%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Mist Architects | Architecture | 1 | |
| None on shared filings. | ||||
Firms that appear on the same San Francisco permit filings. Association on shared filings, not a proven working relationship.
Frequently asked questions
How many SF projects has Heirloom Builders Inc filed?▾
PermitPipeline tracks 12 San Francisco building-permit projects for Heirloom Builders Inc (Apr 2025 to Jul 2026). 1 had filing activity in the last 90 days.
Does Heirloom Builders Inc work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Heirloom Builders Inc's projects are commercial and 100% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Heirloom Builders Inc work?▾
25% of Heirloom Builders Inc's tracked San Francisco projects are in West of Twin Peaks.
What is a typical Heirloom Builders Inc project worth?▾
Across the 12 tracked projects with a declared value, Heirloom Builders Inc averages $48K per project (declared value on the permit filing, not contract value).
Which firms does Heirloom Builders Inc work with most often?▾
Heirloom Builders Inc most frequently appears on the same San Francisco permit filings as Mist Architects, L Wong Engineering. Appearing together indicates association on shared filings, not a proven working relationship.
Is Heirloom Builders Inc a general contractor?▾
Heirloom Builders Inc is listed as a general contractor on its San Francisco permit filings. Roles on this profile are derived from the role each firm holds on public DOB filings.
Public aggregate — full project records are part of the paid leads product. Updated daily from SF DBI filings.
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